I own a 1990 Ford Mustang LX. The drivers window will not function at all. However, the passenger window will, but slowly. What is the recomended fix for this problem? I thought maybe a fuse, but if that was the problem, I believe both windows would not function. Thank you for your response.

I've searched all over the web for any information regarding my problem and found no help until I came here. Thanks! You guys are the best and thanks to kristiekbs for the quick solution to my problem.

Hobie 241

I've searched all over the web for any information regarding my problem and found no help until I came here. Thanks! You guys are the best and thanks to kristiekbs for the quick solution to my problem.
Hobie 241

Sounds like a bad motor to me and the other one is on it's way out. It does happen over time.
You can find them fairly cheap at a junkyard.
If you take off your door panel you can see them inside the door frame on each door. They are fairly easy to replace yourself. Just make sure that the window is all the way up before you take it off track to put in the new motor so you wont need to re-adjust it after you get the motor in.

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I have a 1990 Mustang with power windows. When i first got the car the windows rolled up and down fine, then the passenger one started going up slower than the driver one. When i needed to fix my power locks i had them change the window motor in the passenger side. Now the passenger window rolls up faster than the driver one. The problem is the window motors.......and about the motors still running: the switches probably need to be replaced as well. I can almost guarantee this will solve your problem:)